[alsa-devel] [PATCH v4 - resend 11/13] ASoC: omap-abe-twl6040: Use provided MCLK frequency from pdata

Peter Ujfalusi peter.ujfalusi at ti.com
Tue Jan 24 12:52:28 CET 2012


Avoid using hardwired configuration for MCLK frequency.
Different board design might use other MCLK frequency.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
---
 sound/soc/omap/omap-abe-twl6040.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/sound/soc/omap/omap-abe-twl6040.c b/sound/soc/omap/omap-abe-twl6040.c
index 91ea873..2e283d4 100644
--- a/sound/soc/omap/omap-abe-twl6040.c
+++ b/sound/soc/omap/omap-abe-twl6040.c
@@ -45,12 +45,15 @@ static int omapabe_hw_params(struct snd_pcm_substream *substream,
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct snd_soc_codec *codec = rtd->codec;
+	struct snd_soc_card *card = codec->card;
+	struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev);
 	int clk_id, freq;
 	int ret;
 
 	clk_id = twl6040_get_clk_id(rtd->codec);
 	if (clk_id == TWL6040_SYSCLK_SEL_HPPLL)
-		freq = 38400000;
+		freq = pdata->mclk_freq;
 	else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL)
 		freq = 32768;
 	else
@@ -298,6 +301,11 @@ static __devinit int omapabe_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
+	if (!pdata->mclk_freq) {
+		dev_err(&pdev->dev, "MCLK frequency missing\n");
+		return -ENODEV;
+	}
+
 	if (pdata->has_dmic) {
 		card->dai_link = twl6040_dmic_dai;
 		card->num_links = ARRAY_SIZE(twl6040_dmic_dai);
-- 
1.7.8.3



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